Science

Wednesday, 17 June 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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NASA
The second Crew Dragon mission, SpaceX Crew-2, set the record for the longest spaceflight by the U.S. after spending 200 days in orbit.
Silver
Silver has the lowest contact resistance among all metals.
Mushrooms
Fungi live in symbiosis with microorganisms, higher plants (Embryophyte) and animals.
With many plants, they form mycorrhiza (symbiotic association of roots or seeds of vascular plants w ...
Graphene
It can be said that graphite is composed of single planes, layers of one carbon atom thick, and graphene, arranged one above the other.
The term “graphene” appeared in the 1960s. In 1961-1962, Hans-Peter Boehm published a study of extre ...
Moon
The Moon is so far the only celestial body on which humans have landed.
The first successful landing on the Moon took place on July 20, 1969, at 21:17 CET. Shortly after la ...
Cosmos
The final stage – the death of the cosmos as we know it.
There will eventually come a point in the history of the universe when new stars will stop forming. ...
Amber
Amber has been used as a medicine.
In ancient Rome, amber dust was mixed with honey to cure a sore throat, while mixed with water was u ...
Silver
Of all metals, it has the highest electrical conductivity, greater than copper.
However, it cannot be used for the production of electrical cables because it is subject to corrosio ...
Cosmos
The exact size of the universe cannot be estimated.
We can perceive only the visible region of it (one from which light can move faster than the expandi ...
Brain
Docosahexaenoic acid (DHA) plays a key role in the proper functioning of the brain.
It is an organic chemical compound from the group of omega-3 fatty acids, therefore the consumption of polyunsaturated fatty acids is extremely important.